Quote from firesilv on April 11, 2016, 09:47
The Chief of Forum China Post, you can find out where my shipment n. RS001714476CN.
Thank you

This is what I found for you:
Destination Country - Italy: 39 803 160 Go to official website
2016-03-29 21:17,Taking charge abroad, China

Origin Country - China: 86 20 11185 Go to official website feedback@chinapost.com.cn
2016-03-30 14:33,"Exchange Bureau in Guangzhou" has been exported,
2016-03-30 09:59,"Exchange Bureau in Guangzhou" has been exported open,
2016-03-29 21:17,"Guangzhou international mail operation Center" you've got mail,

You should have a look at this: China Post Airmail Parcel Estimate Arrival Time, on this site: http://track-chinapost.com/China_Post_Arrival_Time_Stat.php

Hope the above information will help you.